Ye Liuyun chose not to let Xie Tianhong and his father leave because he could overlook Xie Tianhong's attempt to harm him, but what about the Snow Clan and Man Shu?
After all, Man Shu was the one who suffered actual harm.
Although Ye Liuyun(Ye Liuyun) didn't want to get involved in their conflicts, he felt grateful to Man Shu
Moreover, he genuinely believed that Xie Tianhong and his father were not good people.
Ye Liuyun released Man Shu, instructing her to find a quiet place to recover her strength.
He didn't immediately tell her the outcome to avoid disturbing her. He briefly mentioned that he had killed the foreign race and gained control of the situation. He advised Man Shu to focus on recovering her strength.
He even asked his clone to find a Sacred Majesty Level Six virtuoso to speed up her recovery.
With this virtuoso as a foundation, Man Shu's recovery would be much faster, saving her a considerable amount of time.